5/10 because you multiply the denominator and numerator by 5
Answer:
20
Step-by-step explanation:
3/4=15/x
4/3=x/15
4/3*15=x
X=20
Answer:
75.44 Square Inches
Step-by-step explanation:
The diagram of the problem is produced and attached.
To determine the area of the cleaned sector:
Let the radius of the larger sector be R
Let the radius of the smaller sector be r
Area of the larger sector 
Area of the smaller sector 
Area of shaded part =Area of the larger sector-Area of the smaller sector

From the diagram, R=10 Inch, r=10-7=3 Inch, 
Therefore, Area of the sector cleaned

11:12 is the answer to your question
Since the desk is $69.00 and the shipping charges are 6%
69*.06= 4.14
Your tax would be $4.14 so,
$4.14+$69.00= A total of $73.14